Ibutilide for the Cardioversion of Paroxysmal Atrial Fibrillation during Radiofrequency Ablation of Supraventricular Tachycardias

Table 1

Population characteristics.

	Ibutilide 𝑁=17	DC-ECV 𝑁=17	𝑃value
Gender (male/female)	8/9	10/7	NS
Age (years)	46 ± 23	47 ± 22	NS
QRS duration (msec)	79 ± 7	77 ± 7	NS
QTc duration (msec)	383 ± 34	381 ± 25	NS
Heart rate (beats per minute)	74 ± 12	74 ± 9	NS
Clinical tachycardia
AFL (isthmus-dependent)	6	6	NS
AVNRT	7	6	NS
AVRT (concealed accessory pathway)	2	3	NS
AT	2	2	NS

DC-ECV: direct current external cardioversion; AFL: atrial flutter; AVNRT: atrioventricular nodal re-entry tachycardia; AVRT: atrioventricular re-entry tachycardia; AT: atrial tachycardia; NS: nonsignificant.